ELECTROMED INC

Ticker: ELMD CUSIP: 285409108 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q4 2021

Shares 6,734 Value ($000) $88 Avg Close $11.73 Range $10.51 - $13.37

Q2 2021

Shares 3,300 Value ($000) $37 Avg Close $10.23 Range $8.98 - $12.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	6,734	$88	$11.73	$10.51 - $13.37
Q2 2021	3,300	$37	$10.23	$8.98 - $12.00